java 工程师

4 days ago

Shanghai, Shanghai, China Quest Global Full time CN¥80,000 - CN¥180,000 per year
Job Requirements

Key Responsibilities:

* Lead the end-to-end development and optimization of backend systems using Java, ensuring scalability, maintainability, and performance.

* Architect and implement robust microservices and APIs, aligning with domain-driven design and event-driven patterns.

* Assess and improve existing architecture, identify bottlenecks, and define technical roadmaps for modernization and efficiency.

* Work independently to deliver complex features from design to deployment with minimal oversight.

* Serve as a trusted technical advisor, contributing to strategic planning, code quality standards, and engineering best practices.

* Collaborate with DevOps and QA to enable CI/CD, automated testing, and monitoring at scale.

* Provide expert-level code reviews, technical mentorship, and guidance to internal engineering teams.

* Ensure all deliverables meet security, compliance, and performance requirements.

Work Experience

Required Expertise

* 5+ years of hands-on experience in backend development with Java, including advanced knowledge of Java 11+, Spring Boot, and Spring Cloud.

* Strong command of RESTful API design, OAuth2/OpenID Connect, and API Gateway architecture.

* Expertise in working with relational (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis).

* Proven experience designing and implementing microservices and integrating with distributed systems.

* Deep understanding of concurrency, memory management, asynchronous processing, and performance tuning in Java.

* Strong DevOps awareness—familiarity with Docker, Kubernetes, GitOps, and CI/CD pipelines.

* Solid experience with message brokers like Kafka or RabbitMQ.

* Advanced proficiency with unit, integration, and contract testing frameworks (JUnit, Mockito, REST Assured).

* Strong consulting mindset with the ability to communicate clearly with technical and non-technical stakeholders.

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